Wuhan — A 2026 study by Tito Wira Eka Suryawijaya from Huazhong University of Science and Technology and Ladinda Daffa Arnetta from Universitas Kadiri finds that increasing maritime transportation activity across Southeast Asia significantly supports economic growth while simultaneously raising carbon emissions that threaten environmental sustainability. The research highlights the importance of environmental policy coordination and green technology adoption to balance economic expansion with ecosystem protection.
Maritime transport plays a central role in Southeast Asia’s economic integration. Major ports such as Singapore, Jakarta, and Manila function as strategic logistics hubs that accelerate trade flows and strengthen regional competitiveness. However, expanding maritime traffic also increases environmental risks including carbon emissions, marine pollution, and ecosystem degradation.
The study examines relationships among maritime traffic volume, GDP growth, fossil fuel consumption, port infrastructure investment, environmental policy, and green technology adoption within the blue economy framework. Using a Generalized Method of Moments panel-data model, the research evaluates how these variables interact across Southeast Asian economies.
Results show that maritime traffic volume significantly increases carbon emissions, with a coefficient value of 0.45. Fossil fuel consumption produces an even stronger effect at 0.55, confirming its dominant role in driving maritime-sector emissions, as presented in the estimation results table on page 8.
At the same time, port infrastructure investment contributes positively to regional economic expansion, with a coefficient of 0.30. GDP growth also demonstrates a positive association with maritime-sector development at 0.25, indicating the sector’s continued importance as a driver of regional economic performance.
Environmental policy plays a measurable role in reducing emissions, with a coefficient of −0.20. Environmentally friendly technology adoption shows an even stronger mitigation effect at −0.35, suggesting that technological innovation provides one of the most effective pathways toward maritime-sector decarbonization.
Correlation analysis presented on page 8 further confirms strong relationships between fossil fuel consumption and emissions levels, while environmental policy and green technology adoption are associated with emission reductions. These results demonstrate the importance of integrating regulation and innovation into maritime sustainability strategies.
The research identifies a development paradox within Southeast Asia’s maritime sector. Expanding shipping activity strengthens economic connectivity and trade efficiency but simultaneously increases environmental pressure on marine ecosystems that support the region’s blue economy.
According to Tito Wira Eka Suryawijaya from Huazhong University of Science and Technology, coordinated regional environmental policy frameworks are essential to ensure that maritime economic expansion does not undermine long-term ecosystem sustainability.
Ladinda Daffa Arnetta from Universitas Kadiri emphasized that ASEAN-level harmonization of emission standards and green shipping corridors can accelerate the transition toward sustainable maritime systems across Southeast Asia.
The study also highlights the importance of environmentally oriented port infrastructure investment. LNG fueling systems, renewable energy integration, and advanced waste-management facilities can improve operational efficiency while reducing environmental impacts.
These findings provide practical policy guidance for governments, maritime industries, and regional organizations seeking to strengthen sustainable blue economy implementation through coordinated regulation and technology adoption.
Tito Wira Eka Suryawijaya is affiliated with Huazhong University of Science and Technology. Ladinda Daffa Arnetta is affiliated with Universitas Kadiri.
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